ref: c9785a08ff3c84ee191517b55b4ba085b11a2cd7
dir: /sys/games/lib/life/glider.gun/
.........................x ......................xxxx .............x.......xxxx ............x.x......x..x.........xx ...........x...xx....xxxx.........xx xx.........x...xx.....xxxx xx.........x...xx........x ............x.x .............x